RA-552:Adding the View Logged in Users functionality to core

Author: HerbertYiga

api/src/main/java/org/openmrs/util/CurrentUsers.java

@@ -0,0 +1,41 @@
+/**
+ * This Source Code Form is subject to the terms of the Mozilla Public License,
+ * v. 2.0. If a copy of the MPL was not distributed with this file, You can
+ * obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
+ * the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
+ *
+ * Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
+ * graphic logo is a trademark of OpenMRS Inc.
+ */
+package org.openmrs.util;
+
+import java.util.Collections;
+import java.util.LinkedHashSet;
+import java.util.Set;
+import org.openmrs.User;
+import org.openmrs.UserSessionListener;
+import org.springframework.stereotype.Component;
+
+@Component
+public class CurrentUsers implements UserSessionListener {
+
+	private static Set<String> currentlyLoggedInUsers = Collections.synchronizedSet(new LinkedHashSet(500));
+
+	@Override
+	public void loggedInOrOut(User user, Event event, Status status) {
+		if(!(status == Status.SUCCESS)) {
+			return;
+		}
+		if(event == Event.LOGIN) {
+			currentlyLoggedInUsers.add(user.getUsername());
+		}
+		else if(event == Event.LOGOUT) {
+			currentlyLoggedInUsers.remove(user.getUsername());
+		}
+	}
+	
+	public static  Set<String> getCurrentUsernames(){
+		return Collections.unmodifiableSet(new LinkedHashSet(currentlyLoggedInUsers));
+	}
+
+}

web/src/test/java/org/openmrs/web/filter/update/util/CurrentUsersTest.java renamed to api/src/test/java/org/openmrs/util/CurrentUsersTest.java

@@ -7,36 +7,35 @@
  * Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
  * graphic logo is a trademark of OpenMRS Inc.
  */
-package org.openmrs.web.filter.update.util;
+package org.openmrs.util;
+
+import java.util.Set;
 
-import java.util.List;
 import org.junit.Assert;
 import org.junit.jupiter.api.Test;
 import org.openmrs.User;
 import org.openmrs.api.UserService;
 import org.openmrs.api.context.Context;
-import org.openmrs.web.filter.util.CurrentUsers;
-import org.openmrs.web.test.BaseWebContextSensitiveTest;
+import org.openmrs.api.context.Credentials;
+import org.openmrs.api.context.UsernamePasswordCredentials;
+import org.openmrs.test.jupiter.BaseContextSensitiveTest;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.mock.web.MockHttpSession;
-
-public class CurrentUsersTest extends BaseWebContextSensitiveTest {
 
-	private static final String USER_SET = "org/openmrs/CurrentUserTest.xml";
+public class CurrentUsersTest extends BaseContextSensitiveTest {
+	private static final String USER_SET = "org/openmrs/util/CurrentUserTest.xml";
 	@Autowired
 	UserService userService;
 
 	@Test
-	
+
 	public void getCurrentUsernames_shoulReturnUserNamesForLoggedInUsers() {
 		executeDataSet(USER_SET);
-		MockHttpSession session = new MockHttpSession();
 		User user = userService.getUser(5508);
-		Context.authenticate(user.getUsername(),"User12345");
+		Credentials credentials = new UsernamePasswordCredentials("Mukembo","Mukembo123");
+		Context.authenticate(credentials);
 		Assert.assertEquals(Context.getAuthenticatedUser().getUsername(),user.getUsername());
-		CurrentUsers.addUser(session);
-		List<String> currentUserNames = CurrentUsers.getCurrentUsernames(session);
-		Assert.assertTrue(currentUserNames.contains("firstaccount"));
+		Set<String> currentUserNames = CurrentUsers.getCurrentUsernames();
+		Assert.assertTrue(currentUserNames.contains("Mukembo"));
 
 	}
 

web/src/test/resources/org/openmrs/CurrentUserTest.xml renamed to api/src/test/resources/org/openmrs/util/CurrentUserTest.xml

@@ -12,5 +12,5 @@
 -->
 <dataset>
   <person person_id="5508" gender="F" dead="false" creator="1" date_created="2008-08-15 15:46:47.0" voided="false" uuid="edc3d446-e53b-11de-8404-001e378eb67e"/>
-  <users user_id="5508" person_id="5508" system_id="508-x" username="firstaccount" password="74e3ed4f9e5b955de443feabc9f12ecd291ac6a7eaa2f09a72a5c811ec618b044d7131f687c0a0465fc0c660d09fd245e410e12ffe77d78b2a0c504b40afa202" salt="1c30292f0b438b49b181950f3e831c6a9f38ef1c7d559fca566e8cd6b4efb417150585d4c3345f0fb0b520fc0884ad82ea7c1a28f48c2c562106a3d110716cfc" secret_question="a secret" secret_answer="an answer" creator="1" date_created="2008-08-15 15:57:09.0" changed_by="1" date_changed="2008-08-18 11:51:56.0" retired="false" retire_reason="" uuid="2eadf946-e53c-11de-8404-001e378eb67e"/> 
+  <users user_id="5508" person_id="5508" system_id="508-x" username="Mukembo" password="07082424c46568fa5442a3ddd9521ff8bf0715a6c4d411b2f79a37a2d45b5c14c97e2f3754f7367390bd68ec7aa22c5f1891dc413b3861063d5973fb4cd4bcda" salt="d485cc2ce9e8f15e4b15411363ee03471c72b2579dbf7d3684ed485ec94d8f480e281db0abc77d09bcd7fe96e6cc9a80423f69a8a594d5825cf02aedc4da787e" secret_question="" secret_answer="" creator="1" date_created="2008-08-15 15:57:09.0" changed_by="1" date_changed="2008-08-18 11:51:56.0" retired="false" retire_reason="" uuid="2eadf946-e53c-11de-8404-001e378eb67e"/> 
 </dataset>